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chardev: Simplify usage of try_module_get()
author
Uwe Kleine-König
<u.kleine-koenig@pengutronix.de>
Fri, 13 Oct 2023 13:24:42 +0000
(15:24 +0200)
committer
Christian Brauner
<brauner@kernel.org>
Thu, 19 Oct 2023 09:03:16 +0000
(11:03 +0200)
try_module_get(NULL) is true, so there is no need to check owner being
NULL.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link:
https://lore.kernel.org/r/20231013132441.1406200-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Christian Brauner <brauner@kernel.org>
fs/char_dev.c
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diff --git
a/fs/char_dev.c
b/fs/char_dev.c
index
950b691
..
6ba0324
100644
(file)
--- a/
fs/char_dev.c
+++ b/
fs/char_dev.c
@@
-350,7
+350,7
@@
static struct kobject *cdev_get(struct cdev *p)
struct module *owner = p->owner;
struct kobject *kobj;
- if (
owner &&
!try_module_get(owner))
+ if (!try_module_get(owner))
return NULL;
kobj = kobject_get_unless_zero(&p->kobj);
if (!kobj)